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, 47 (6), 533-540

The Significance of Intraoperative Renal Pelvic Urine and Stone Cultures for Patients at a High Risk of Post-Ureteroscopy Systemic Inflammatory Response Syndrome

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The Significance of Intraoperative Renal Pelvic Urine and Stone Cultures for Patients at a High Risk of Post-Ureteroscopy Systemic Inflammatory Response Syndrome

Satoshi Yoshida et al. Urolithiasis.

Abstract

We examined the renal pelvic urine culture (RPUC) and stone culture (SC) during ureteroscopy and evaluated their associations with postoperative systemic inflammatory response syndrome (SIRS). We prospectively collected data of 224 patients who underwent ureteroscopic laser lithotripsy from March 2015 to December 2017. We examined the bladder urine culture pre-operatively. If the patients had positive culture results, we treated them with antibiotics for 5-7 days before surgery based on the sensitivity profile. We collected RPUC and SC samples during surgery. After ureteroscopy, patients were closely monitored for any signs of SIRS. Using a logistic regression model, we analyzed how the clinical factors affected the incidence of SIRS. Pre-operative bladder urine culture (PBUC) was positive in 111 patients (49.6%). Intraoperative RPUC was positive in 43 patients (19.2%), and SC was positive in 34 patients (15.2%). Postoperatively, 23 patients (10.3%) were diagnosed with SIRS. A multivariate analysis revealed that female gender, struvite calculi and positive intraoperative RPUC results were significantly associated with postoperative SIRS. Among the 31 patients who were positive for both PBUC and intraoperative RPUC, the pathogens were not consistent in 11 patients (35.5%). Among the 25 patients who were positive for both PBUC and intraoperative SC, the pathogens were not consistent in 13 patients (52.0%). We recommend collecting RPUC and SC samples during ureteroscopy, especially for patients with high risk factors, including female gender, expected struvite calculi and positive PBUC results.

Keywords: Bladder urine culture; Renal pelvic urine culture; Stone culture; Systemic inflammatory response syndrome; Ureteroscopy.

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